#37A0DA#37A0DA

#37A0DA is a light, vivid cyan. Relative luminance 0.310; OKLCH L 67.2% C 0.127 H 237.6°. Best body text is #000000 at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#37A0DA
RGB	rgb(55, 160, 218)
HSL	hsl(201, 69%, 54%)
HSV	hsv(201, 75%, 85%)
CMYK	cmyk(74.8%, 26.6%, 0%, 14.5%)
CIE-LAB	lab(62.52, -10.59, -37.97)
CIE-LCH	lch(62.52, 39.41, 254.42°)
OKLab	oklab(67.19% -0.0681 -0.1072)
OKLCH	oklch(67.19% 0.127 237.6)
XYZ	xyz(26.7962, 31.0126, 70.8899)
Luminance	0.3102 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A0DA #DA7137

analogous

#37DAC2 #37A0DA #374EDA

triadic

#37A0DA #DA37A0 #A0DA37

tetradic

#37A0DA #C237DA #DA7137 #4EDA37

square

#37A0DA #C237DA #DA7137 #4EDA37

split-complementary

#37A0DA #DA374E #DAC237

monochromatic

#185A7F #217FB3 #37A0DA #6BB9E4 #9ED1ED

Accessibility & contrast

On white

2.92

#37A0DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.20

#37A0DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A0DA

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A0DA	#FFFFFF	#000000	##000000
##37A0DA	1.00	2.92	7.20	7.20
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.20	21.00	1.00	1.00
##000000	7.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A0DD

Deuteranopia (green-blind)

#6E90D9

Tritanopia (blue-blind)

#00AFB4

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #37a0da;
/* rgb */ color: rgb(55, 160, 218);
/* oklch */ color: oklch(67.2% 0.127 237.6);

Tailwind

colors: {
  custom: {
    50: '#84bce5',
    500: '#37a0da',
    950: '#000000',
  },
}

SCSS

$custom: #37a0da;
$custom-light: #84bce5;
$custom-dark: #000000;

JSON

{
  "hex": "#37a0da",
  "rgb": {
    "r": 55,
    "g": 160,
    "b": 218
  },
  "hsl": {
    "h": 201.35,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.67186,
    "c": 0.12697,
    "h": 237.6
  },
  "luminance": 0.31016
}

Semantic roles & 50–950 ramp

primary

#37A0DA

secondary

#D9AC93

accent

#7B3CEC

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0C1216

muted

#7D8184

Preview Lab

Preview with #37A0DA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →